Purity Glossary

Browse 2 purity terms defined in plain English, from the cultural dictionary of computing.

2 Purity Terms

Referential Transparency: A property of expressions where they can be replaced with their value without changing program behavior. A function is referentially transparent if calling it...
Side Effect: Any observable change a function makes beyond returning a value — such as writing to disk, mutating global state, sending a network request, or modifying a...